DE69516366T2 - Measuring method and measuring device - Google Patents

Measuring method and measuring device

Info

Publication number
DE69516366T2
DE69516366T2 DE69516366T DE69516366T DE69516366T2 DE 69516366 T2 DE69516366 T2 DE 69516366T2 DE 69516366 T DE69516366 T DE 69516366T DE 69516366 T DE69516366 T DE 69516366T DE 69516366 T2 DE69516366 T2 DE 69516366T2
Authority
DE
Germany
Prior art keywords
measuring
measuring device
measuring method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69516366T
Other languages
German (de)
Other versions
DE69516366D1 (en
Inventor
Tomonori Kimura
Shuzou Wadaka
Koichiro Misu
Tsutomu Nagatsuka
Mitsuhiro Koike
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69516366D1 publication Critical patent/DE69516366D1/en
Publication of DE69516366T2 publication Critical patent/DE69516366T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/012—Phase angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
DE69516366T 1994-11-18 1995-06-23 Measuring method and measuring device Expired - Lifetime DE69516366T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28498394 1994-11-18
JP07038392A JP3130223B2 (en) 1994-11-18 1995-02-27 Detection method and detection device

Publications (2)

Publication Number Publication Date
DE69516366D1 DE69516366D1 (en) 2000-05-25
DE69516366T2 true DE69516366T2 (en) 2000-09-21

Family

ID=26377637

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69516366T Expired - Lifetime DE69516366T2 (en) 1994-11-18 1995-06-23 Measuring method and measuring device

Country Status (4)

Country Link
US (1) US5942688A (en)
EP (1) EP0713090B1 (en)
JP (1) JP3130223B2 (en)
DE (1) DE69516366T2 (en)

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JP4670440B2 (en) * 2005-04-07 2011-04-13 オムロン株式会社 Management system, management system control method, information processing apparatus, management system control program, and recording medium recording management system control program
DE112005003673B4 (en) * 2005-08-19 2014-07-10 Mitsubishi Denki K.K. Target detection method and target detection device
JP4270299B2 (en) * 2006-03-28 2009-05-27 オムロン株式会社 RFID tag distance measuring device and RFID tag distance measuring system
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JP5114996B2 (en) * 2007-03-28 2013-01-09 日本電気株式会社 Radar apparatus, radar transmission signal generation method, program thereof, and program recording medium
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BRPI1006453A2 (en) * 2009-03-13 2018-02-27 B Silverman Eugene wireless sensor, data management system and method for monitoring the integrity of mechanical structures
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US8405541B2 (en) * 2010-09-01 2013-03-26 Toyota Motor Engineering & Manufacturing North America, Inc. Multi-range radar system
RU2459200C1 (en) * 2011-03-03 2012-08-20 Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации Ultrasonic method of measuring elongation of reinforcement bar of reinforced concrete structure
CN103697839A (en) * 2013-12-20 2014-04-02 苏州市职业大学 Mass measuring instrument
CN105158332A (en) * 2015-08-24 2015-12-16 河北吉信同普电子科技开发有限公司 Ultrasonic detector
US10627490B2 (en) 2016-01-31 2020-04-21 Velodyne Lidar, Inc. Multiple pulse, LIDAR based 3-D imaging
CN109154661A (en) 2016-03-19 2019-01-04 威力登激光雷达有限公司 Integrated irradiation and detection for the 3-D imaging based on LIDAR
WO2017210418A1 (en) 2016-06-01 2017-12-07 Velodyne Lidar, Inc. Multiple pixel scanning lidar
EP3593166B1 (en) 2017-03-31 2024-04-17 Velodyne Lidar USA, Inc. Integrated lidar illumination power control
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US11294041B2 (en) 2017-12-08 2022-04-05 Velodyne Lidar Usa, Inc. Systems and methods for improving detection of a return signal in a light ranging and detection system
JP6716621B2 (en) * 2018-03-07 2020-07-01 セコム株式会社 Object determination device and sensor device
JP6716620B2 (en) * 2018-03-07 2020-07-01 セコム株式会社 Sensor device and displacement determination system
US10712434B2 (en) 2018-09-18 2020-07-14 Velodyne Lidar, Inc. Multi-channel LIDAR illumination driver
US11082010B2 (en) 2018-11-06 2021-08-03 Velodyne Lidar Usa, Inc. Systems and methods for TIA base current detection and compensation
US11885958B2 (en) 2019-01-07 2024-01-30 Velodyne Lidar Usa, Inc. Systems and methods for a dual axis resonant scanning mirror
US11239985B2 (en) * 2019-04-16 2022-02-01 Cisco Technology, Inc. Echo cancellation in multiple port full duplex (FDX) nodes and amplifiers
US10613203B1 (en) 2019-07-01 2020-04-07 Velodyne Lidar, Inc. Interference mitigation for light detection and ranging
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CN111948616B (en) * 2020-07-28 2024-02-06 中国人民解放军63921部队 Phased array radar target RCS measurement accuracy identification method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10306023B4 (en) * 2003-02-13 2007-12-06 Siemens Ag Method for proving an authorization for locking and unlocking and / or the use of an object and security device

Also Published As

Publication number Publication date
JP3130223B2 (en) 2001-01-31
EP0713090B1 (en) 2000-04-19
DE69516366D1 (en) 2000-05-25
JPH08194058A (en) 1996-07-30
US5942688A (en) 1999-08-24
EP0713090A1 (en) 1996-05-22

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